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Edit File : ColorDelegator.py \| Size : 10.35 KB
import time import re import keyword import builtins from tkinter import TkVersion from idlelib.Delegator import Delegator from idlelib.configHandler import idleConf DEBUG = False def any(name, alternates): "Return a named group pattern matching list of alternates." return "(?P<%s>" % name + "\|".join(alternates) + ")" def make_pat(): kw = r"\b" + any("KEYWORD", keyword.kwlist) + r"\b" builtinlist = [str(name) for name in dir(builtins) if not name.startswith('_') and \ name not in keyword.kwlist] # self.file = open("file") : # 1st 'file' colorized normal, 2nd as builtin, 3rd as string builtin = r"([^.'\"\\#]\b\|^)" + any("BUILTIN", builtinlist) + r"\b" comment = any("COMMENT", [r"#[^\n]"]) stringprefix = r"(\br\|u\|ur\|R\|U\|UR\|Ur\|uR\|b\|B\|br\|Br\|bR\|BR\|rb\|rB\|Rb\|RB)?" sqstring = stringprefix + r"'[^'\\\n](\\.[^'\\\n])'?" dqstring = stringprefix + r'"[^"\\\n](\\.[^"\\\n])"?' sq3string = stringprefix + r"'''[^'\\]((\\.\|'(?!''))[^'\\])(''')?" dq3string = stringprefix + r'"""[^"\\]((\\.\|"(?!""))[^"\\])(""")?' string = any("STRING", [sq3string, dq3string, sqstring, dqstring]) return kw + "\|" + builtin + "\|" + comment + "\|" + string +\ "\|" + any("SYNC", [r"\n"]) prog = re.compile(make_pat(), re.S) idprog = re.compile(r"\s+(\w+)", re.S) def color_config(text): # Called from htest, Editor, and Turtle Demo. '''Set color opitons of Text widget. Should be called whenever ColorDelegator is called. ''' # Not automatic because ColorDelegator does not know 'text'. theme = idleConf.CurrentTheme() normal_colors = idleConf.GetHighlight(theme, 'normal') cursor_color = idleConf.GetHighlight(theme, 'cursor', fgBg='fg') select_colors = idleConf.GetHighlight(theme, 'hilite') text.config( foreground=normal_colors['foreground'], background=normal_colors['background'], insertbackground=cursor_color, selectforeground=select_colors['foreground'], selectbackground=select_colors['background'], ) if TkVersion >= 8.5: text.config( inactiveselectbackground=select_colors['background']) class ColorDelegator(Delegator): def __init__(self): Delegator.__init__(self) self.prog = prog self.idprog = idprog self.LoadTagDefs() def setdelegate(self, delegate): if self.delegate is not None: self.unbind("<<toggle-auto-coloring>>") Delegator.setdelegate(self, delegate) if delegate is not None: self.config_colors() self.bind("<<toggle-auto-coloring>>", self.toggle_colorize_event) self.notify_range("1.0", "end") else: # No delegate - stop any colorizing self.stop_colorizing = True self.allow_colorizing = False def config_colors(self): for tag, cnf in self.tagdefs.items(): if cnf: self.tag_configure(tag, cnf) self.tag_raise('sel') def LoadTagDefs(self): theme = idleConf.CurrentTheme() self.tagdefs = { "COMMENT": idleConf.GetHighlight(theme, "comment"), "KEYWORD": idleConf.GetHighlight(theme, "keyword"), "BUILTIN": idleConf.GetHighlight(theme, "builtin"), "STRING": idleConf.GetHighlight(theme, "string"), "DEFINITION": idleConf.GetHighlight(theme, "definition"), "SYNC": {'background':None,'foreground':None}, "TODO": {'background':None,'foreground':None}, "ERROR": idleConf.GetHighlight(theme, "error"), # The following is used by ReplaceDialog: "hit": idleConf.GetHighlight(theme, "hit"), } if DEBUG: print('tagdefs',self.tagdefs) def insert(self, index, chars, tags=None): index = self.index(index) self.delegate.insert(index, chars, tags) self.notify_range(index, index + "+%dc" % len(chars)) def delete(self, index1, index2=None): index1 = self.index(index1) self.delegate.delete(index1, index2) self.notify_range(index1) after_id = None allow_colorizing = True colorizing = False def notify_range(self, index1, index2=None): self.tag_add("TODO", index1, index2) if self.after_id: if DEBUG: print("colorizing already scheduled") return if self.colorizing: self.stop_colorizing = True if DEBUG: print("stop colorizing") if self.allow_colorizing: if DEBUG: print("schedule colorizing") self.after_id = self.after(1, self.recolorize) close_when_done = None # Window to be closed when done colorizing def close(self, close_when_done=None): if self.after_id: after_id = self.after_id self.after_id = None if DEBUG: print("cancel scheduled recolorizer") self.after_cancel(after_id) self.allow_colorizing = False self.stop_colorizing = True if close_when_done: if not self.colorizing: close_when_done.destroy() else: self.close_when_done = close_when_done def toggle_colorize_event(self, event): if self.after_id: after_id = self.after_id self.after_id = None if DEBUG: print("cancel scheduled recolorizer") self.after_cancel(after_id) if self.allow_colorizing and self.colorizing: if DEBUG: print("stop colorizing") self.stop_colorizing = True self.allow_colorizing = not self.allow_colorizing if self.allow_colorizing and not self.colorizing: self.after_id = self.after(1, self.recolorize) if DEBUG: print("auto colorizing turned",\ self.allow_colorizing and "on" or "off") return "break" def recolorize(self): self.after_id = None if not self.delegate: if DEBUG: print("no delegate") return if not self.allow_colorizing: if DEBUG: print("auto colorizing is off") return if self.colorizing: if DEBUG: print("already colorizing") return try: self.stop_colorizing = False self.colorizing = True if DEBUG: print("colorizing...") t0 = time.perf_counter() self.recolorize_main() t1 = time.perf_counter() if DEBUG: print("%.3f seconds" % (t1-t0)) finally: self.colorizing = False if self.allow_colorizing and self.tag_nextrange("TODO", "1.0"): if DEBUG: print("reschedule colorizing") self.after_id = self.after(1, self.recolorize) if self.close_when_done: top = self.close_when_done self.close_when_done = None top.destroy() def recolorize_main(self): next = "1.0" while True: item = self.tag_nextrange("TODO", next) if not item: break head, tail = item self.tag_remove("SYNC", head, tail) item = self.tag_prevrange("SYNC", head) if item: head = item[1] else: head = "1.0" chars = "" next = head lines_to_get = 1 ok = False while not ok: mark = next next = self.index(mark + "+%d lines linestart" % lines_to_get) lines_to_get = min(lines_to_get 2, 100) ok = "SYNC" in self.tag_names(next + "-1c") line = self.get(mark, next) ##print head, "get", mark, next, "->", repr(line) if not line: return for tag in self.tagdefs: self.tag_remove(tag, mark, next) chars = chars + line m = self.prog.search(chars) while m: for key, value in m.groupdict().items(): if value: a, b = m.span(key) self.tag_add(key, head + "+%dc" % a, head + "+%dc" % b) if value in ("def", "class"): m1 = self.idprog.match(chars, b) if m1: a, b = m1.span(1) self.tag_add("DEFINITION", head + "+%dc" % a, head + "+%dc" % b) m = self.prog.search(chars, m.end()) if "SYNC" in self.tag_names(next + "-1c"): head = next chars = "" else: ok = False if not ok: # We're in an inconsistent state, and the call to # update may tell us to stop. It may also change # the correct value for "next" (since this is a # line.col string, not a true mark). So leave a # crumb telling the next invocation to resume here # in case update tells us to leave. self.tag_add("TODO", next) self.update() if self.stop_colorizing: if DEBUG: print("colorizing stopped") return def removecolors(self): for tag in self.tagdefs: self.tag_remove(tag, "1.0", "end") def _color_delegator(parent): # htest # from tkinter import Toplevel, Text from idlelib.Percolator import Percolator top = Toplevel(parent) top.title("Test ColorDelegator") top.geometry("200x100+%d+%d" % (parent.winfo_rootx() + 200, parent.winfo_rooty() + 150)) source = "if somename: x = 'abc' # comment\nprint\n" text = Text(top, background="white") text.pack(expand=1, fill="both") text.insert("insert", source) text.focus_set() color_config(text) p = Percolator(text) d = ColorDelegator() p.insertfilter(d) if __name__ == "__main__": from idlelib.idle_test.htest import run run(_color_delegator) Back

Edit File : ColorDelegator.py | Size : 10.35 KB

import time
import re
import keyword
import builtins
from tkinter import TkVersion
from idlelib.Delegator import Delegator
from idlelib.configHandler import idleConf

DEBUG = False

def any(name, alternates):
    "Return a named group pattern matching list of alternates."
    return "(?P<%s>" % name + "|".join(alternates) + ")"

def make_pat():
    kw = r"\b" + any("KEYWORD", keyword.kwlist) + r"\b"
    builtinlist = [str(name) for name in dir(builtins)
                                        if not name.startswith('_') and \
                                        name not in keyword.kwlist]
    # self.file = open("file") :
    # 1st 'file' colorized normal, 2nd as builtin, 3rd as string
    builtin = r"([^.'\"\\#]\b|^)" + any("BUILTIN", builtinlist) + r"\b"
    comment = any("COMMENT", [r"#[^\n]*"])
    stringprefix = r"(\br|u|ur|R|U|UR|Ur|uR|b|B|br|Br|bR|BR|rb|rB|Rb|RB)?"
    sqstring = stringprefix + r"'[^'\\\n]*(\\.[^'\\\n]*)*'?"
    dqstring = stringprefix + r'"[^"\\\n]*(\\.[^"\\\n]*)*"?'
    sq3string = stringprefix + r"'''[^'\\]*((\\.|'(?!''))[^'\\]*)*(''')?"
    dq3string = stringprefix + r'"""[^"\\]*((\\.|"(?!""))[^"\\]*)*(""")?'
    string = any("STRING", [sq3string, dq3string, sqstring, dqstring])
    return kw + "|" + builtin + "|" + comment + "|" + string +\
           "|" + any("SYNC", [r"\n"])

prog = re.compile(make_pat(), re.S)
idprog = re.compile(r"\s+(\w+)", re.S)

def color_config(text):  # Called from htest, Editor, and Turtle Demo.
    '''Set color opitons of Text widget.

Should be called whenever ColorDelegator is called.
    '''
    # Not automatic because ColorDelegator does not know 'text'.
    theme = idleConf.CurrentTheme()
    normal_colors = idleConf.GetHighlight(theme, 'normal')
    cursor_color = idleConf.GetHighlight(theme, 'cursor', fgBg='fg')
    select_colors = idleConf.GetHighlight(theme, 'hilite')
    text.config(
        foreground=normal_colors['foreground'],
        background=normal_colors['background'],
        insertbackground=cursor_color,
        selectforeground=select_colors['foreground'],
        selectbackground=select_colors['background'],
        )
    if TkVersion >= 8.5:
        text.config(
            inactiveselectbackground=select_colors['background'])

class ColorDelegator(Delegator):

def __init__(self):
        Delegator.__init__(self)
        self.prog = prog
        self.idprog = idprog
        self.LoadTagDefs()

def setdelegate(self, delegate):
        if self.delegate is not None:
            self.unbind("<<toggle-auto-coloring>>")
        Delegator.setdelegate(self, delegate)
        if delegate is not None:
            self.config_colors()
            self.bind("<<toggle-auto-coloring>>", self.toggle_colorize_event)
            self.notify_range("1.0", "end")
        else:
            # No delegate - stop any colorizing
            self.stop_colorizing = True
            self.allow_colorizing = False

def config_colors(self):
        for tag, cnf in self.tagdefs.items():
            if cnf:
                self.tag_configure(tag, **cnf)
        self.tag_raise('sel')

def LoadTagDefs(self):
        theme = idleConf.CurrentTheme()
        self.tagdefs = {
            "COMMENT": idleConf.GetHighlight(theme, "comment"),
            "KEYWORD": idleConf.GetHighlight(theme, "keyword"),
            "BUILTIN": idleConf.GetHighlight(theme, "builtin"),
            "STRING": idleConf.GetHighlight(theme, "string"),
            "DEFINITION": idleConf.GetHighlight(theme, "definition"),
            "SYNC": {'background':None,'foreground':None},
            "TODO": {'background':None,'foreground':None},
            "ERROR": idleConf.GetHighlight(theme, "error"),
            # The following is used by ReplaceDialog:
            "hit": idleConf.GetHighlight(theme, "hit"),
            }

if DEBUG: print('tagdefs',self.tagdefs)

def insert(self, index, chars, tags=None):
        index = self.index(index)
        self.delegate.insert(index, chars, tags)
        self.notify_range(index, index + "+%dc" % len(chars))

def delete(self, index1, index2=None):
        index1 = self.index(index1)
        self.delegate.delete(index1, index2)
        self.notify_range(index1)

after_id = None
    allow_colorizing = True
    colorizing = False

def notify_range(self, index1, index2=None):
        self.tag_add("TODO", index1, index2)
        if self.after_id:
            if DEBUG: print("colorizing already scheduled")
            return
        if self.colorizing:
            self.stop_colorizing = True
            if DEBUG: print("stop colorizing")
        if self.allow_colorizing:
            if DEBUG: print("schedule colorizing")
            self.after_id = self.after(1, self.recolorize)

close_when_done = None # Window to be closed when done colorizing

def close(self, close_when_done=None):
        if self.after_id:
            after_id = self.after_id
            self.after_id = None
            if DEBUG: print("cancel scheduled recolorizer")
            self.after_cancel(after_id)
        self.allow_colorizing = False
        self.stop_colorizing = True
        if close_when_done:
            if not self.colorizing:
                close_when_done.destroy()
            else:
                self.close_when_done = close_when_done

def toggle_colorize_event(self, event):
        if self.after_id:
            after_id = self.after_id
            self.after_id = None
            if DEBUG: print("cancel scheduled recolorizer")
            self.after_cancel(after_id)
        if self.allow_colorizing and self.colorizing:
            if DEBUG: print("stop colorizing")
            self.stop_colorizing = True
        self.allow_colorizing = not self.allow_colorizing
        if self.allow_colorizing and not self.colorizing:
            self.after_id = self.after(1, self.recolorize)
        if DEBUG:
            print("auto colorizing turned",\
                  self.allow_colorizing and "on" or "off")
        return "break"

def recolorize(self):
        self.after_id = None
        if not self.delegate:
            if DEBUG: print("no delegate")
            return
        if not self.allow_colorizing:
            if DEBUG: print("auto colorizing is off")
            return
        if self.colorizing:
            if DEBUG: print("already colorizing")
            return
        try:
            self.stop_colorizing = False
            self.colorizing = True
            if DEBUG: print("colorizing...")
            t0 = time.perf_counter()
            self.recolorize_main()
            t1 = time.perf_counter()
            if DEBUG: print("%.3f seconds" % (t1-t0))
        finally:
            self.colorizing = False
        if self.allow_colorizing and self.tag_nextrange("TODO", "1.0"):
            if DEBUG: print("reschedule colorizing")
            self.after_id = self.after(1, self.recolorize)
        if self.close_when_done:
            top = self.close_when_done
            self.close_when_done = None
            top.destroy()

def recolorize_main(self):
        next = "1.0"
        while True:
            item = self.tag_nextrange("TODO", next)
            if not item:
                break
            head, tail = item
            self.tag_remove("SYNC", head, tail)
            item = self.tag_prevrange("SYNC", head)
            if item:
                head = item[1]
            else:
                head = "1.0"

chars = ""
            next = head
            lines_to_get = 1
            ok = False
            while not ok:
                mark = next
                next = self.index(mark + "+%d lines linestart" %
                                         lines_to_get)
                lines_to_get = min(lines_to_get * 2, 100)
                ok = "SYNC" in self.tag_names(next + "-1c")
                line = self.get(mark, next)
                ##print head, "get", mark, next, "->", repr(line)
                if not line:
                    return
                for tag in self.tagdefs:
                    self.tag_remove(tag, mark, next)
                chars = chars + line
                m = self.prog.search(chars)
                while m:
                    for key, value in m.groupdict().items():
                        if value:
                            a, b = m.span(key)
                            self.tag_add(key,
                                         head + "+%dc" % a,
                                         head + "+%dc" % b)
                            if value in ("def", "class"):
                                m1 = self.idprog.match(chars, b)
                                if m1:
                                    a, b = m1.span(1)
                                    self.tag_add("DEFINITION",
                                                 head + "+%dc" % a,
                                                 head + "+%dc" % b)
                    m = self.prog.search(chars, m.end())
                if "SYNC" in self.tag_names(next + "-1c"):
                    head = next
                    chars = ""
                else:
                    ok = False
                if not ok:
                    # We're in an inconsistent state, and the call to
                    # update may tell us to stop.  It may also change
                    # the correct value for "next" (since this is a
                    # line.col string, not a true mark).  So leave a
                    # crumb telling the next invocation to resume here
                    # in case update tells us to leave.
                    self.tag_add("TODO", next)
                self.update()
                if self.stop_colorizing:
                    if DEBUG: print("colorizing stopped")
                    return

def removecolors(self):
        for tag in self.tagdefs:
            self.tag_remove(tag, "1.0", "end")

def _color_delegator(parent):  # htest #
    from tkinter import Toplevel, Text
    from idlelib.Percolator import Percolator

top = Toplevel(parent)
    top.title("Test ColorDelegator")
    top.geometry("200x100+%d+%d" % (parent.winfo_rootx() + 200,
                  parent.winfo_rooty() + 150))
    source = "if somename: x = 'abc' # comment\nprint\n"
    text = Text(top, background="white")
    text.pack(expand=1, fill="both")
    text.insert("insert", source)
    text.focus_set()

color_config(text)
    p = Percolator(text)
    d = ColorDelegator()
    p.insertfilter(d)

if __name__ == "__main__":
    from idlelib.idle_test.htest import run
    run(_color_delegator)

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